JSON Expression Parser & Evaluator Icon

JSON Expression Parser & Evaluator

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Description

An Expression Parser and Evaluator result in JSON object. Written in Pascal. 表达式的解析和求值是一个应用面非常广的功能。JSON格式因其简明、易于操作,使用面日渐广泛。本项目将表达式分析的结果存放在JS

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Categories

Libraries

Features

  • Value collection operation. eg: X in ( Null, 1, 2+3, Y-6)
  • Mutil sentence divided by ;
  • Set value of variable with := eg: X := Y + 1; Y := X * Y
  • IF statement. eg: IF(Name is null, 'No Name', 'Name is: '+Name)
  • Boolean operators: AND OR XOR
  • Math operators: + - * / \ %
  • Bit operators: & | ^ ~
  • Compare operators: = > < >= <= <>
  • String Operators: + Len eg: Len('Hello'+#32+'World!')
  • VarHelper can provide custom variable get/set.
  • FuncHelper can provide custom function call.
  • TraceOnLine will tirgger event at every sentence complete eval.

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    This project has moved to http://code.google.com/p/jsonexpr

    Posted 09/21/2011
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Additional Project Details

Intended Audience

Developers

Programming Language

Delphi/Kylix, Object Pascal

Registered

2009-11-19

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